/in/Main.java:19: error: cannot find symbol
        for(stepNum = 0; stepNum < 30; stepNum++){
            ^
  symbol:   variable stepNum
  location: class Main
/in/Main.java:19: error: cannot find symbol
        for(stepNum = 0; stepNum < 30; stepNum++){
                         ^
  symbol:   variable stepNum
  location: class Main
/in/Main.java:19: error: cannot find symbol
        for(stepNum = 0; stepNum < 30; stepNum++){
                                       ^
  symbol:   variable stepNum
  location: class Main
/in/Main.java:29: error: cannot find symbol
        if(stepNum == 30) {
           ^
  symbol:   variable stepNum
  location: class Main
/in/Main.java:32: error: cannot find symbol
            System.out.println("STEP=" + (stepNum + 1));
                                          ^
  symbol:   variable stepNum
  location: class Main
5 errors